<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>登录</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
    <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="row" style="margin-top: 100px">
    <div class="col-sm-4"></div>
    <div class="col-sm-4">
        <div class="panel panel-default">
            <div class="panel-heading">
                <h3 class="panel-title">
                    登录
                </h3>
            </div>
            <div class="panel-body">
                <form class="form-horizontal" role="form" method="post">
  <div class="form-group">
    <label for="firstname" class="col-sm-2 control-label">用户名</label>
    <div class="col-sm-10">
      <input type="text" class="form-control" id="firstname" name="user_name" placeholder="请输入用户名">
    </div>
  </div>
  <div class="form-group">
    <label for="lastname" class="col-sm-2 control-label">密码</label>
    <div class="col-sm-10">
      <input type="text" class="form-control" id="lastname" name="password" placeholder="请输入密码">
    </div>
  </div>
  <div class="form-group">
    <div class="col-sm-offset-2 col-sm-4">
      <button type="submit" class="btn btn-default">登录</button>
    </div>
          <div class="col-sm-offset-2 col-sm-4" style="font-size: 12px">
      <a href="/register">没有账号，点此注册</a>
    </div>
  </div>
</form>

            </div>
        </div>


    </div>
</div>


</body>
</html>